Nerve

A nerve, also known as a sensory neuron, comes from every part of the body to carry impulses to the brain or spinal cord concerning the condition of every nook and cranny in the body, including the muscles. Within the body the nerves branch out like telephone wires from an exchange. They run to every part of the body, from the soles of the feet to the top of the scalp and from just below the skin to the inner organs such as the heart, liver and lungs. These nerves are actually single cells...